flame hardening blowpipe flameholding flame ignition flame kernel flame laser flameless flame photometer flame photometry flame priming flameproof flameproof apparatus flameproof enclosure flameproof lighting fittings flame-proof motor flame reaction flame resistance flameresisting flameretardant flame-retardant coating flame retention |
flame hardening blowpipe горелка за закаляване Търсената дума е намерена |